From 5cc4c65e5a144957b60b4965244016f01136b79c Mon Sep 17 00:00:00 2001 From: Nick White Date: Mon, 18 Jan 2021 17:26:53 +0000 Subject: Change Sauvola link as old one is dead --- content/posts/adaptive-binarisation/index.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/content/posts/adaptive-binarisation/index.md b/content/posts/adaptive-binarisation/index.md index 7cffc6e..ffb1d16 100644 --- a/content/posts/adaptive-binarisation/index.md +++ b/content/posts/adaptive-binarisation/index.md @@ -31,7 +31,7 @@ screwed up) A popular algorithm for this adaptive binarisation technique was described in a 2000 paper by J. Sauvola -[Adaptive document image binarization](http://www.ee.oulu.fi/mvg/files/pdf/pdf_24.pdf). +[Adaptive document image binarization](http://citeseerx.ist.psu.edu/viewdoc/download;?doi=10.1.1.98.880&rep=rep1&type=pdf). The key part of the paper which is still used today is his modification of an earlier algorithm for adaptive binarisation by Niblack (1986), to add standard deviation to the calculation of a local threshold for -- cgit v1.2.1-24-ge1ad